Determine (a) the vacancy fraction for a metal at a temperature of 471 deg c if the energy of vacancy formation is 0.27 ev/atom and (b) the vacancy density (vacancies per cu. m) if the density and molecular weight are 52.4 g/cc and 1388.6 g/mole, respectively.

What are the two (02) benefits, which may result from a successful implementation of preventive maintenance (pm) program in an organization? (clo3)a)- lean manufacturing b)-overlapping responsibilities c)-the planner is not qualified d)-accurate contractor information e)-reduction in equipment redundancies f)-accurate stores information